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David Eagle


Last seen: Today Attivo dal 2012

Aerospace engineer (retired) Professional Interests: aerospace trajectory optimization

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Inviato


Converting a state vector/orbital elements to a TLE
MATLAB scripts that can be used to calculate an a Two Line Element (TLE) from a user-provided osculating state vector or orbital...

circa un mese fa | 27 download |

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N-body, Single Gravity-Assist Trajectory Design - SNOPT
Divide-and-conquer approach to solving a single gravity assist interplanetary trajectory subject to n-body perturbations

6 mesi fa | 10 download |

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N-body, Single Gravity-Assist Trajectory Design - OTB
Divide-and-conquer approach to solving a single gravity assist interplanetary trajectory subject to n-body perturbations

6 mesi fa | 5 download |

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Geodetic and Geocentric Coordinates
A suite of MATLAB functions for converting between geodetic and geocentric coordinates.

11 mesi fa | 4 download |

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Halo Orbit Design Using Differential Correction
Script for creating "re-fined" initial conditions for Halo orbits in the Earth-Moon circular-restricted, three-body problem.

12 mesi fa | 8 download |

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Halo Orbit Design using Richardson's Algorithm
MATLAB script for creating graphic displays of Halo orbits in the circular-restricted, three-body problem.

12 mesi fa | 6 download |

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Ballistic Trajectory Optimization from Earth to an Asteroid
MATLAB script for optimizing two-body, ballistic trajectories from Earth to the an asteroid.

12 mesi fa | 5 download |

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The Circular-Restricted Three-Body Problem
Compute and plot characteristics of the circular-restricted three-body problem.

12 mesi fa | 14 download |

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Numerical Prediction of Orbital Events - MICE version
MATLAB script and user's manual for predicting important root-finding and extrema orbital events

12 mesi fa | 2 download |

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The Long-term Evolution of Geosynchronous Transfer Orbits
Interactive MATLAB script that predicts the long-term evolution of geosynchronous transfer orbits.

circa un anno fa | 1 download |

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Rise and Set of the Sun, Moon and Planets
Topocentric rise and set of the Sun, Moon and planets. Source ephemeris is DE421 with MICE and NOVAS routines.

circa un anno fa | 3 download |

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A MATLAB Script for Predicting Lunar Occultations
Predict the local circumstances of lunar occultations of a planet or star.

circa un anno fa | 4 download |

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A MATLAB Script for Predicting Transits of Mercury and Venus
Local circumstances of solar transits of the planets Mercury and Venus.

circa un anno fa | 1 download |

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A MATLAB Script for Predicting Lunar Eclipses
Predicting the local circumstances of lunar eclipses.

circa un anno fa | 1 download |

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A MATLAB Script for Predicting Solar Eclipses
Predict local circumstances of solar eclipses.

circa un anno fa | 2 download |

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Graphics Display of Orbital Characteristics of the Planets
Graphics display of the heliocentric, ecliptic orbital characteristics of the solar system planets.

circa un anno fa | 2 download |

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Earth-to-Mars Interplanetary TCM Optimization - SNOPT
Optimization of interplanetary trajectory correction maneuvers (TCM) during Earth-to-Mars spaceflight.

circa un anno fa | 1 download |

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Earth-to-Mars Interplanetary TCM Optimization - OTB
Optimization Toolbox version of the MATLAB script that determines optimal Earth-to-Mars TCM maneuvers.

circa un anno fa | 2 download |

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Apparent Position of a Star
PDF document and MATLAB script that computes the geocentric and topocentric apparent position of a star.

circa un anno fa | 1 download |

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Apparent Coordinates of the Moon, Sun or a Planet
MATLAB script that can be used to compute the apparent coordinates of the Moon, Sun or a planet.

circa un anno fa | 3 download |

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Predicting Apogee and Perigee of the Moon
This MATLAB script uses the MICE geometry finder to predict the time of lunar apogee and perigee.

circa un anno fa | 1 download |

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A MATLAB Script for Predicting the Evolution of Lunar Orbits
Script for propagating spacecraft lunar orbits subject to non-spherical lunar gravity and third-body gravity.

circa un anno fa | 3 download |

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Propagating Trajectories from the Earth to the Moon
Integrate n-body trajectories from the Earth to the Moon. Includes non-spherical Earth gravity.

circa un anno fa | 6 download |

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Interplanetary, patched-conic gravity assist - OTB version
A MATLAB Script for Interplanetary Patched-Conic, Single Gravity-Assist Trajectory Design, Analysis and Optimization

circa un anno fa | 2 download |

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Earth-to-Mars Interplanetary Pork Chop Plots
A MATLAB Script for Creating Pork Chop Plots of Ballistic Earth-to-Mars Trajectories

circa un anno fa | 13 download |

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Coverage Characteristics of Earth Satellites
Compute coverage characteristics of single Earth satellites and Walker and user-defined constellations

circa un anno fa | 4 download |

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Predicting Closest Approach of Apophis
MATLAB script for predicting close approaches between the asteroid Apophis and Earth.

circa un anno fa | 3 download |

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Ballistic Interplanetary Trajectory Optimization - SNOPT
A MATLAB Script for Ballistic Interplanetary Trajectory Design and Optimization

circa un anno fa | 9 download |

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Ballistic Interplanetary Trajectory Optimization - OTB
Optimization Toolbox version of the ipto.m MATLAB script which solves the two impulse, patched-conic interplanetary trajectory p...

circa un anno fa | 4 download |

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Numerical Prediction of Orbital Events
MATLAB script and user's manual for predicting important root-finding and extrema orbital events

circa un anno fa | 1 download |

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